May 26, 2026 · 29 min · 12 segments
Sports card investing through a Wall Street lens. Matthew Worley breaks down supply, demand, and market cap mechanics using three Messi Prizm World Cup Silvers (2014, 2018, 2022). Learn float vs pop…
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Most market commentary on cards is about demand.
Who's hot? Who got hurt? Who might be the MVP? Who crashed his car? Who signed a big deal? Who's trending? Who might get traded? All of that is very real, and all of that matters for the card markets, but it's all only half the equation.
This is where all the focus is and all the camera lights are on.
But let's talk about the stuff that's just as important.
This other half is those mango trees.
It's supply.
And in the card market, supply has a couple different faces that aren't usually dealt with.
Now, I'm sure the first thing you think of when we talk about supply is pop counts.
How many copies of a card exist at a given grade? The second that we're gonna talk about today, which might be a little bit more new to you, is the concept of float.
In the stock market, this means how many shares are out there trading on the markets.
In the card world, this is how many copies are actually offered for sale at any given moment.
So the first, that pop report, is what PSA or Beckett measure.
The second is what the market actually transacts on live, and that's where you see supply and demand interact on the playing field.
Now this float is something that we don't talk about a lot, and when we talk about supply, we talk about available supply and real supply.
That real supply is that pop report.
But the available supply is what I can go get if I decide I want that card.
Little tangent here, but if you go try and find high value, high grade nineteen ninety-six Topps Chrome refractors for football markets, you will find very quickly that there are almost none.
This is the critical point that most people don't think about until they're faced with a hunt.
In my case, when I'm looking at nineteen ninety-six Topps Chrome for football all of the time, I am every day on eBay or Fanatics or Alt trying to see what new copies are for sale.
But if you're not looking for that, you wouldn't understand how hard it is to find them.
You wouldn't understand until you look at the pop report, then it makes sense.
Many of these cards have a gem rate that's under ten, which means the value of those PSA tens is astronomically lifted.
Even more than that, a PSA nine is not the PSA nine of today in twenty-twenty or later.
PSA nine is a very good grade for those.
And as I've talked about before in my PSA nine is dead segment, having that gem rate at under ten percent means that PSA nine is incredibly valuable.
Most market commentary on cards is about demand.
Who's hot? Who got hurt? Who might be the MVP? Who crashed his car? Who signed a big deal? Who's trending? Who might get traded? All of that is very real, and all of that matters for the card markets, but it's all only half the equation.
This is where all the focus is and all the camera lights are on.
But let's talk about the stuff that's just as important.
This other half is those mango trees.
It's supply.
And in the card market, supply has a couple different faces that aren't usually dealt with.
Now, I'm sure the first thing you think of when we talk about supply is pop counts.
How many copies of a card exist at a given grade? The second that we're gonna talk about today, which might be a little bit more new to you, is the concept of float.
In the stock market, this means how many shares are out there trading on the markets.
In the card world, this is how many copies are actually offered for sale at any given moment.
So the first, that pop report, is what PSA or Beckett measure.
The second is what the market actually transacts on live, and that's where you see supply and demand interact on the playing field.
Now this float is something that we don't talk about a lot, and when we talk about supply, we talk about available supply and real supply.
That real supply is that pop report.
But the available supply is what I can go get if I decide I want that card.
Little tangent here, but if you go try and find high value, high grade nineteen ninety-six Topps Chrome refractors for football markets, you will find very quickly that there are almost none.
This is the critical point that most people don't think about until they're faced with a hunt.
In my case, when I'm looking at nineteen ninety-six Topps Chrome for football all of the time, I am every day on eBay or Fanatics or Alt trying to see what new copies are for sale.
But if you're not looking for that, you wouldn't understand how hard it is to find them.
You wouldn't understand until you look at the pop report, then it makes sense.
Many of these cards have a gem rate that's under ten, which means the value of those PSA tens is astronomically lifted.
Even more than that, a PSA nine is not the PSA nine of today in twenty-twenty or later.
PSA nine is a very good grade for those.
And as I've talked about before in my PSA nine is dead segment, having that gem rate at under ten percent means that PSA nine is incredibly valuable.
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